ir1168 International Rectifier Corp., ir1168 Datasheet
ir1168
Manufacturer Part Number
ir1168
Description
Dual Smart Rectifier Driver Ic
Manufacturer
International Rectifier Corp.
Datasheet
1.IR1168.pdf
(19 pages)
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Typical Connection Diagram
Features
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Typical Applications
•
Secondary-side
synchronous rectification in resonant half bridge
topologies
200V proprietary IC technology
Max 500KHz switching frequency
Anti-bounce logic and UVLO protection
4A peak turn off drive current
Micropower start-up & ultra low quiescent current
10.7V gate drive clamp
70ns turn-off propagation delay
Wide Vcc operating range
Direct sensing for both Synchronous Rectifiers
Minimal component count
Simple design
Lead-free
LCD & PDP TV, Telecom SMPS, AC-DC adapters
Vin
Rtn
C1
C2
high
M1
M2
1
speed
Lr
2
controller
for
SR1
Rg1
Package Options
Product Summary
Topology
VD
V
I
Turn on Propagation Delay
Turn off Propagation Delay
o+
OUT
IR1168
1
2
3
4
& I
DUAL SMART RECTIFIER DRIVER IC
GATE1
VCC
VS1
VD1
IR1168
o-
Cdc
(typical)
GATE2
GND
VD2
VS2
8
7
6
5
SR2
8-Lead SOIC
Rg2
© 2008 International Rectifier
LLC Half-bridge
200V
10.7V Clamped
+1A & -4A
60ns (typical)
70ns (typical)
Cout
IR1168S
March 6, 2009
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